CCIYU Stainless Racing Shorty Exhaust Header Manifold Fit For Chevy Big Block BBC Mark IV

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About CCIYU Stainless Racing Shorty Exhaust Header

Specifics and Features: Inlet / Outlet: 1.75" OD / 3" OD 3" to 2.5" Collector Reducers (Error Range:0.1-0.2inch) Made of T-304 Stainless Steel 2 * 4-1 Direct Bolt-on Design Increase Engine Output and Efficiency Increase High Flow Air, Instantly gain 10 to 15 Hp. / Tq. O2 Sensor Bung Header Fit for: 1980 Chevrolet B60 B6P042 1985 1990-1991 Chevrolet B60 B6P042 Bus (Non School) - Cab Forward 1981-1991 Chevrolet B60 B6P042 Bus (School) - Cab Forward 1993-1996 Chevrolet B7 B7T042 Bus (School) - Cab Forward 1968-1974 Chevrolet Bel Air Base 1974 Chevrolet Bel Air Base Coupe 2-Door 1968-1969 Chevrolet Bel Air Base Sedan 2-Door 1968-1975 Chevrolet Bel Air Base Sedan 4-Door 1968-1972 Chevrolet Biscayne Base 1973-1974 Chevrolet Blazer Base 1973-1974 Chevrolet Blazer Base Sport Utility 2-Door 1969-1972 Chevrolet Brookwood Base 1978-1980 Chevrolet C10 Big Ten Standard Cab Pickup 2-Door 1975-1980 Chevrolet C10 Cheyenne Cab & Chassis 2-Door 1975-1980 Chevrolet C10 Cheyenne Standard Cab Pickup 2-Door 1975-1980 Chevrolet C10 Custom Deluxe Cab & Chassis 2-Door 1975-1980 Chevrolet C10 Custom Deluxe Standard Cab Pickup 2-Door 1969 1973-1974 Chevrolet C10 Pickup Base 1975-1980 Chevrolet C10 Scottsdale Cab & Chassis 2-Door 1976-1980 Chevrolet C10 Scottsdale Standard Cab Pickup 2-Door 1975-1977 1979-1980 Chevrolet C10 Silverado Cab & Chassis 2-Door 1975-1977 1979-1980 Chevrolet C10 Silverado Standard Cab Pickup 2-Door 1968-1969 1973-1974 Chevrolet C10 Suburban Base 1969 Chevrolet C10 Suburban Base Sport Utility 3-Door 1973-1974 Chevrolet C10 Suburban Base Sport Utility 4-Door